US2521292A - Slip sash for windows - Google Patents

Description

Sept. 5, 1950 G, C, HAYMAN l 2,521,292

SLIP SASH FOR WINDOWS Filed Dec. 4, 1945 INI/EN TOR. G50/mf C. HA WWA/V.

Patented Sept. 5, 1950 SLIP SASH FOR WINDOWS George C. Hayman, Riverton, Wyo., assignor to Hayman Window Company, Denver, Colo., a corporation of Colorado Application December 4, 1945, Serial No. 632,633

A14 claims.

This invention relates to window sash and more particularly to a device for supporting window sash in their frames. The principal object of the invention is to provide a highly eflicient sash holder which will eliminate all sash Weights, springs, cords, chains, etc., ordinarily used for supporting drop sash; which will securely support the sash at any desired height; and which will enable the sash to be readily lowered when desired.

Another object of the invention is to provide a double sash window wherein when the window is closed, both sash will be in weather-tight alignment with each other, forming a single continuous sash.

A further object of the invention is to provide a double sash window in which the upper portion of the lower sash may be swung inwardly for ventilation purposes without allowing the direct draft through the window.

A still further object is to provide a window and sash-supporting means which will allow the sash to be readily removed from the frame without the use of tools, for cleaning, painting. etc( Other objects and advantages reside in the detail construction of the invention, which is designed for simplicity, economy, and efficiency. These will become more apparent from the following description.

In the following detailed description of the invention, reference is had to the accompanying drawing which forms a part hereof. Like numerals refer to like parts in all views of the drawing and throughout the description.

In the drawing:

Fig. l is an inside elevational view of a type of double sash window to which the invention is particularly applicable;

Fig. 2 is a vertical section therethrough, taken on the line 2-2, Fig. 1;

Fig. 3 is an enlarged detail section through the edge of one sash, taken on the line 3-3, Fig. 2. illustrating the construction of the improved sash support;

Fig. 4 is a cross-section through the improved sash support and the adjacent sash and frame, taken on the line 4-4, Fig. 2; and

Fig. 5 is a detail section through the lower portion of a sash, taken on the line 5--5, Fig. 2.

While the invention has been illustrated and will be described as applied more particularly to the type of double sash window illustrated in the drawing, it is to be understood that the invention is not limited to this particular type of sash. but

2 4 will be found valuable in any-window having ver.- tically slidable sash. 1

The window illustrated consists of an upper sash I0 and a lower sash II mounted in a frame between two side frame members I2. The remainder of the frame may be conventional. Each of the side frame members I2 contains an outer vertical, round-bottomed groove I3 extending the full height of the frame. A second vertical inner groove I4 similar to the groove I3 is placed in each side frame member I2 parallel to the groove I3 and on the inside thereof. The lower extremity of the groove I4 is curved as shown atA I5 and extends outwardly to a point inalignment with the groove I3.

Both sash are supported in alignment with the grooves I3 and I4 by means of sliding devices such as illustrated in detail in Figs. 4 and 5. These devices consist of two types, the oneillustrated in Fig. 5 is employed'adjacent the b'ottom of each sash and consists of a round-ended plunger I6, the rounded end of which slides lengthwise in its respective groove. The plunger is constantly urged outwardly into the groove by means of a compression spring I1 surrounding a spring stem I8 on the plunger. The spring and stem are mounted in a mounting tube I3 which is inset in a hole 20 bored into the edge of the frame.

The lower portion of each sash contains a sash-- supporting device, as illustrated in detail in Fig. 3. This device comprises a shoe having a vU- shaped cross-section so as to present a vertical rounded edge toward the groove of V the side frame. A U-shaped cushion member-22 is tted' around the shoe 2l. 'Ihe shoe is swingingly mounted on parallel links 23 from a yholder 24. The holder 24 is also U-shaped in cross-section, and the extremities of the links are secured in the hollow of the U by means of hinge rivets 25 passing through the sides of the respective members.

The entire mechanism is mounted in a box 26- mortised into the edge of the sash and secured by means of suitable screws 21. An adjusting screw 28slidably extends through a hole in across strip 26 at the back of the box 26 and-is threaded into. the holder 24. At the time of installation, the screw 28 with its head cooperating with the cross strip 26 as a stop, is adjusted to bring the'holder 24 to the proper position to obtain maximum action from the links 23. The mortise forreceiving the box 26 is indicated at 29. Compression springs 3U extend from the holder 24 inwardly into counterbores in the bottom of the mortise 29 and act to constantly urge the holder 24 outwardly.l

The outward position of the holder 24 can be adjusted by rotating the screw 28, there being a screw driver opening formed in the frame to allow access to the head of the screw 28.

A releasing plunger 32 extends through a ferrule 33 from the inside of the frame to a position within the motise 29. A flexible tie member 34 extends fromthe plunger 32 to the shoe 2I`. When the sash is pushed upwardly, the friction of the cushion member 22 against the bottom of its groove causes the links 23 to swing slightly downwardly as illustrated in Figure 3, thus relieving the friction and allowing the'sash to be readily raised. When the weight of the sash is released, the friction. on the cushionl member 22 causes the links 23 to swung upwardly and outwardly, thus bringing outward pressure to bear upon the cushion member to prevent downward movement of the sash. The screw 28 should be adjusted so that the action of the y springs; 30. will be sufficient, to cause the shoe 2I to so frictionally engage the bottom. of the groove that` the sash will be held from downwardr movement lby its own weight. The adjustmentshould, also be such that when the. sash is Y being held. the links. 2:3, will be in horizontal positions, A coil` spring 35 surrounds one of the hinger rivets 2S and acts. against one of the links 23. to constantly urge the shoe outwardly in its; groove.

When it desired to lower the sash, the two plungersn of that sash can be gripped with the fingers and. pulled inwardly. This causes thev flexible, member 34 Vto pull the shoes. inwardly, releasing the cushion membersA from` their contact with the grooves to allow the sash to be readily lowered. Thev sash canv also be lowered without releasing ther shoes; manually if the adjusting screw 28 is properly adjusted. With properadjustment the links 23 will be horizontal and the springs 30 will be applying ay yieldable. force on the shoe through the holder 24 and the links. Thus, .the links and holder can move inwardly and because of this it is possible to grasp the sash by thev hands and move it downwardly solely by manual effort applied, together with` the weight of the sash.

Itwill also be noted that the sash supporting device shown in Figure 3 is so constructed that there will` be a substantially uniform friction between the shoe and groove, notwithstanding irregularities in the distance Ibetweenv the sashside and the bottom of the groove in which the shoe; is positioned. This result is achieved bythe springsS acting on theholder 24. If the bottomsurface of the groove should be. closer to the shaft at one point than atV another, then` the shoe, links and holder will be capable4 of in-` ward movement as a unit, such movement belng allowed by slight compressing :of the springs with only a very. small change in their applyingv fce;

Inal window; off the type illustrated in Figs. l and 2 the plungers of the` lower sash Irl may. be drawn inwardly to pull the shoes from the grooves I3; The upper portion ofthe sash can then bev swung inwardly until the shoes engage in the inner groove I4, as shown in broken lines at A, Fig. 2. This allows air to enter between the two sash for Ventilating purposes.

To open the window from the above position, itis only necessary to lift the lower sash Ill.. The shoes will then travel upwardly in. the groove I4 the plnngers` 116 will travel upwardly and inwerdlyrthrough the curvedaportions I5; of thelil grooves I4, and thence upwardly parallel to the upper sash I0.

For cleaning purposes the plungers 32 can be drawn inwardly to release the upper portions of the sash, allowing the sash to be swung inwardly to a horizontal position. The sash can be completely removed from the horizontal position by simply lifting one side thereof to release one ofthe plungers I6 from its groove.

The use of the device of Fig. 3 of course is not limited to this particular type of window, since it will support the sash of any drop sash window.

While a specific form of the improvement has been described and illustrated herein, it is desired to be understoodthat the same may be varied, within thevscope of, the appended claims, without departing from the spirit of the invention.

Having thus described the invention, what is claimed and desired secured by Letters Patent l. A window' sash support comprising.: a box inset in the edgeof the sash; a U-shaped holder inv said box; a U-shaped, shoe in said` box; a pair of linkshinged at their extremities to the holder and the shoe, respectively; and spring means` cushioning the inward movement of the holder in said box.

2, A window sash support comprising: a box inset in the edge of the sash; a Ll-shaped4 holder.

in saidbox; a` U-shaped shoe in said box; a. pair ofv linkshinged at, their extremities tothe holder andthe shoe, respectively.; springmeansurging.

said links to rotate.toforces-aid,shoe-outwardly;V

a withdrawing plunger mounted in said sash; and.-

means. connecting. said plunger. with said shoe so. as. to, communicate the movements ofj thev former to the latter; springs urging said holderoutwardly.- insaidl box.; and. adjustable means., for

limiting the outward movement ci. said. holder..

3. Awindow sash` support comprising-z a box inset intheedge ofA thesash; a U-shapedholder insaid box; a U-shaped shoe in said box; a. pair. of linkshinged at their extremities to the holder.

and the shoe, respectively; spring means urging said links toA rotate to force said shoe outwardly;

a withdrawing plunger mounted in said sash;

means connecting said plunger` withsaidshoe so. as to communicate the movements ofthe former.

to the latterysprings urging said rholder outwardlyfrom said box; and'manually-adjustable means.

limitingA the outward' movement of said holder. 4'. A supporting device lor vertically slidable window sash inv a` frame comprising: a shoe en gaging said frame; `a holder mortisedinto the side of said sash andcapable of relative movement with respectto the sash; a pair of swingingA links supportingV said shoe from said holder; and' compression springs positioned between said'r sash and said holder andI acting to cushion the latter against the action of saidswinging links.

5. A- supporting device for vertically slidable window sash in a frame comprising: a shoe engaging saidA frame; a holder mortised intoA the side of said sash; a pair of swinging links supporting saidshoe from said holder; compression springs positioned between said sash and said. holder and acting to cushion the latter against the actionl ofA said swinging links; and4 meansAv Ti carried by said' holder and cooperating with. the

sashfcr limiting the expansion of said springs.

'6. A supporting device for verticallyV slidable;

windowsash in aframe comprising: a. shoe engaging said frame;y a holder mortised into, the` ing said shoe from said holder; compression springs positioned between said sash and said holder and acting to cushion the latter against the action of said swinging links; an adjusting screw threaded into said holder for limiting the action of said compression springs; and means for preventing longitudinal movement of said screw with reference to said sash.

7. A supporting device for mounting on a slidable member and for cooperation with a surface of a frame for said member in which it is vertically movable in opposite directions, said device comprising a holder member, a second member for frictionally engaging the frame surface, means for connecting the second named member to the holder member permitting relative movement therebetween, spring means acting on the holder member for biasing the holder member and the said second named member outwardly as a unit in the direction of the frame surface, and means for limiting the action of the spring means outwardly but permitting the holder member and the second member to have free unitary movement inwardly 'against the bias of the spring means.

8. A supporting device for mounting on a slidable member and for cooperation with a surface of a frame for said member in which it is vertically movable in opposite directions, said device comprising a holder member, a second member for frictionally engaging the frame surface, means for connecting the second named member to the holder member permitting relative movement therebetween, spring means acting on the holder member for biasing the holder member and the said second named member outwardly as a unit in the direction of the frame surface, means for limiting the action of the spring means outwardly but permitting the holder member and the second member to have free unitary movement inwardly against the bias of the spring means, and manually operable means for moving the second member toward the holder member at will to thereby disengage the second member from frictional engagement with the frame surface.

9. In a window supporting device for mounting on a window sash frame and for cooperation with the surface of a window frame proper, a friction shoe for engaging the window frame surface, means including a link for pivotally mounting said shoe so it is capable of swinging movement inwardly toward the window sash frame when said sash is being raised, first spring means opposing said swinging movement, and means including second spring means for providing a yieldable backing for both said shoe and its link mounting means whereby a yieldable force will be applied through said link to said shoe to urge said shoe against said window frame surface independently of said i-lrst spring means.

10. In a window supporting device for mounting on a windowl sash frame and for cooperation with a surface of a window frame proper, a holder member, a second member for frictionally engaging the window frame surface, means for pivotally connecting the second member to the holder member so that it is capable of swinging movement toward the holder member when the sash is being raised, yieldable means for opposing 7 said swinging movement of the second member, and spring means providing a yieldable backing for the holder member.

11. In a window supporting device for mounting on a window sash frame and for cooperation with a surface of a window frame proper, a holder member, a second member for frictionally engaging the window frame surface, means for pivotally connecting the second member to the holder member so that it is capable of swinging movement toward the holder member when the sash is being raised, yieldable means for opposing said swinging movement of the second member, spring means providing a yieldable backing for the holder member, and manually operable means for swinging the second member toward the holder member.

12. In a window supporting device for mounting on a window sash frame and for cooperation with a surface of a window frame proper, a holder member, a second mem-ber for frictionally engaging the window frame surface, means for pivotally connecting the second member to the holder member so that it is capable of swinging movement toward the holder member when the sash is being raised, spring means providing a yieldable backing for the holder member, and adjustable stop means for limiting the extent of movement of the holder member by the spring means.

13. A window supporting device for mounting on a window sash frame and for cooperation with a surface of the window frame proper, said device comprising a holder member, a member for frictionally engaging the window frame surface, link means pivotally attached to and for connecting the holder member and second named mem-ber, said link means being so arranged between the members that when the window sash is being raised the second member can move relatively to the holder and when the sash is not having a raising force acting thereon it will form a rigid connection whereby the second named memyber and holder member can move inwardly as a unit, and spring means acting to apply an outwardly directed force on the holder member.

14. A window supporting device for mounting on a window sash frame and for cooperation with a surface of a window frame proper, said device comprising a holder member, a member for frictionally engaging the window frame surface, link means pivotally attached to and for connecting the holder member and second named member, said link means being so arranged between the members that when the` window sash is being raised the second member can move relatively to the holder and when the sash is not having a raising force acting thereon it will form a rigid connection whereby the second named member and holder member can move inwardly as a unit, spring means acting to apply an outwardly directed force on the holder member, and adjustable means for limiting the outward movement of the holder member by the spring means.

GEORGE C. HAYMAN.

REFERENCES CITED The following references are of record in the file of this patent:

UNITED STATES PATENTS Number Name Date 596,958 Brown Jan. 4, 1898 '738,577 Simonds Sept. 8, 1903 1,656,327 Kitzberger Jan. 17, 1938 1,911,783 Yudes May 30, 1933 1,970,210 Weber Aug. 14, 1934

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